From: Paul Brook <paul@codesourcery.com>
To: "H. J. Lu" <hjl@lucon.org>
Cc: binutils@sourceware.org, Nick Clifton <nickc@redhat.com>
Subject: Re: PATCH: Add --alt-nops=short|long to x86/x86-64 assemblers
Date: Thu, 15 Jun 2006 18:45:00 -0000 [thread overview]
Message-ID: <200606151841.24590.paul@codesourcery.com> (raw)
In-Reply-To: <20060615170747.GA8429@lucon.org>
> > > I was talking about the code like
> > >
> > > asm ("some SSE instruction");
> > >
> > > If gcc starts to generate ".arch i686", the code above won't compile
> > > any more.
> >
> > I'd say that code is broken. You'd have the same problem if you
> > implemented the commandline options. I don't really see why x86 is any
> > different to other architectures in this respect.
>
> x86 is different, for better or worse. The reality is we can't change
> it in such a way that all sudden the existing codes won't compile any
> more.
Well, doesn't the same argument apply to commandline arguments.
Having -march=i686 behave differently to ".arch i686" sounds like a really
bad idea to me.
Paul
next prev parent reply other threads:[~2006-06-15 17:41 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-13 20:45 H. J. Lu
2006-06-14 8:30 ` Nick Clifton
2006-06-14 15:14 ` H. J. Lu
2006-06-14 17:20 ` Nick Clifton
2006-06-14 18:07 ` H. J. Lu
2006-06-15 8:10 ` Nick Clifton
2006-06-15 14:51 ` Paul Brook
2006-06-15 15:15 ` H. J. Lu
2006-06-15 15:28 ` Paul Brook
2006-06-15 16:20 ` H. J. Lu
2006-06-15 17:08 ` Paul Brook
2006-06-15 17:41 ` H. J. Lu
2006-06-15 18:45 ` Paul Brook [this message]
2006-06-15 18:58 ` H. J. Lu
2006-06-15 19:02 ` Paul Brook
2006-06-16 7:27 ` PATCH: Add -march=/-mtune= to x86 assembler H. J. Lu
2006-06-16 15:26 ` H. J. Lu
2006-06-15 15:00 ` PATCH: Add --alt-nops=short|long to x86/x86-64 assemblers H. J. Lu
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